Answer: D. soak
A dye is a colored substance that has the affinity for the substrate on which it is applied. A dye is typically an organic compound, which is mixed with a suitable binder, to keep it in a liquid state. It is used to provide color to the cloths.
When the dye has been applied to the shirt, all that remained was to soak it because, the binder or solvent will be absorbed by the shirt by capillary action, and the dye will impart it's color.
Foods rich in iron include:
Red meat, pork and poultry.
Seafood.
Beans.
Dark green leafy vegetables, such as spinach.
Dried fruit, such as raisins and apricots.
Iron-fortified cereals, breads and pastas.
Peas.
The coleoptiles which tips were removed will be short and straight while coleoptiles which were cut with the tips separated by mica will be short and straight. Ceoptiles which were cut tips and separated by agar they will be tall and straight.
The set of coleoptiles which will be left in the darkness for 24 hours will be tall and bent. While the set which is in the direction of light for 24 hours will be tall and bent.
Observation is that coleoptile will grow straight if the chemical was evenly distributed and curved away from block side as if growing towards the light because dark side has the higher concentration of auxin.
